diff --git a/src/plugins/coreplugin/themeeditor/sectionedtablemodel.h b/src/plugins/coreplugin/themeeditor/sectionedtablemodel.h
index 3d7835c656c..9eed5a8a62e 100644
--- a/src/plugins/coreplugin/themeeditor/sectionedtablemodel.h
+++ b/src/plugins/coreplugin/themeeditor/sectionedtablemodel.h
@@ -50,16 +50,16 @@ public:
     virtual Qt::ItemFlags sectionBodyFlags(int section, int row, int column) const = 0;
     virtual Qt::ItemFlags sectionHeaderFlags(int section) const = 0;
     virtual int sectionCount() const = 0;
-    QSize span(const QModelIndex &index) const Q_DECL_OVERRIDE;
+    QSize span(const QModelIndex &index) const override;
 
     int inSectionBody(int row) const;
     int modelToSectionRow(int row) const;
     int sectionHeader(int row) const;
 
 protected:
-    int rowCount(const QModelIndex &index) const Q_DECL_OVERRIDE;
-    QVariant data(const QModelIndex &index, int role) const Q_DECL_OVERRIDE;
-    Qt::ItemFlags flags(const QModelIndex &index) const Q_DECL_OVERRIDE;
+    int rowCount(const QModelIndex &index) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
 };
 
 } // namespace ThemeEditor
diff --git a/src/plugins/coreplugin/themeeditor/themesettingsitemdelegate.h b/src/plugins/coreplugin/themeeditor/themesettingsitemdelegate.h
index 1bcf9258506..ed951eab63d 100644
--- a/src/plugins/coreplugin/themeeditor/themesettingsitemdelegate.h
+++ b/src/plugins/coreplugin/themeeditor/themesettingsitemdelegate.h
@@ -58,9 +58,9 @@ class ThemeSettingsItemDelegate : public QStyledItemDelegate
 public:
     ThemeSettingsItemDelegate(QObject *parent);
 
-    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const Q_DECL_OVERRIDE;
-    void setEditorData(QWidget *editor, const QModelIndex &index) const Q_DECL_OVERRIDE;
-    void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const Q_DECL_OVERRIDE;
+    QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
+    void setEditorData(QWidget *editor, const QModelIndex &index) const override;
+    void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const override;
 
     void popupMenu();
 
diff --git a/src/plugins/coreplugin/themeeditor/themesettingstablemodel.h b/src/plugins/coreplugin/themeeditor/themesettingstablemodel.h
index f2416ec7233..63a79947293 100644
--- a/src/plugins/coreplugin/themeeditor/themesettingstablemodel.h
+++ b/src/plugins/coreplugin/themeeditor/themesettingstablemodel.h
@@ -57,15 +57,15 @@ public:
 
     ThemeSettingsTableModel(QObject *parent = 0);
 
-    bool setData(const QModelIndex &index, const QVariant &value, int role) Q_DECL_OVERRIDE;
-    QVariant headerData(int section, Qt::Orientation orientation, int role) const Q_DECL_OVERRIDE;
-    int columnCount(const QModelIndex &index) const Q_DECL_OVERRIDE;
-    int sectionRowCount(int section) const Q_DECL_OVERRIDE;
-    QVariant sectionBodyData(int section, int row, int column, int role) const Q_DECL_OVERRIDE;
-    QVariant sectionHeaderData(int section, int role) const Q_DECL_OVERRIDE;
-    Qt::ItemFlags sectionBodyFlags(int section, int row, int column) const Q_DECL_OVERRIDE;
-    Qt::ItemFlags sectionHeaderFlags(int section) const Q_DECL_OVERRIDE;
-    int sectionCount() const Q_DECL_OVERRIDE;
+    bool setData(const QModelIndex &index, const QVariant &value, int role) override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+    int columnCount(const QModelIndex &index) const override;
+    int sectionRowCount(int section) const override;
+    QVariant sectionBodyData(int section, int row, int column, int role) const override;
+    QVariant sectionHeaderData(int section, int role) const override;
+    Qt::ItemFlags sectionBodyFlags(int section, int row, int column) const override;
+    Qt::ItemFlags sectionHeaderFlags(int section) const override;
+    int sectionCount() const override;
 
     ThemeColors::Ptr colors() const { return m_colors; }